Ask the Experts

Ask the Experts

Network Infrastructure

• What is a logical network? How do you improve one?

  Learn what logical and physical networks are and how to improve them, in this expert response with networking fundamentals expert, Chris Partsenidis.  Continue Reading

• How to configure ISDN and backup leases on routers

  Routing expert Sudhanshu Gupta explains how to configure ISDN and backup leases on routers in this expert answer.  Continue Reading

• How can I configure 10 VLANs with 5 unmanaged switches?

  Given a Cisco Layer 3 (L3) switch and 5 unmanaged switches, learn how to create 10 VLANs from our routing and switching expert, Sudhanshu Gupta.  Continue Reading

• What is broadcasting and which switch will fix timed-out requests?

  Broadcasting is defined by our routing and switching expert as he explains which network switch resolves time-out requests, in this response.  Continue Reading

• Can routers be configured to send files to appropriate servers?

  Our routing expert explains how to configure your router to send files to assigned servers in this expert response.  Continue Reading

• How do I configure two leased lines in one router?

  Our routing and switching expert explains how to configure two leased lines in one router, in this Ask the Expert answer.  Continue Reading

• How to retrieve passwords from locked laptops

  How can I retrieve passwords from locked laptops? Our networking fundamentals expert answers this question.  Continue Reading

• Why are IPv6's IP addresses in hexadecimal formatting?

  Why would IPv6 use hexadecimal formatting if it's so user unfriendly, and what sort of workarounds are there to make IP addressing easier? Find out in this expert answer.  Continue Reading

• What can we expect in an 802.11n Wireless LAN standard implementation?

  At what stage is 802.11n implementation in, and what changes can we expect to see with it? Learn about the standard from wireless networking expert Lisa Phifer.  Continue Reading

• Understanding VLAN implementation and IP address assignment

  Learn how to create and configure a VLAN in this response from a network administration expert  Continue Reading

• Can 802.11 protocols be used with GPRS connectivity?

  Can 802.11 protocols be used with GPRS connectivity? Find out from our wireless networking expert, Lisa Phifer.  Continue Reading

• What is NAT, and how do I know if it's taking place on my network?

  In this Q&A, our expert explains the basics of NAT (Network Address Translation), where it occurs, and what it does.  Continue Reading

• What are a TV tower's effects on your network?

  How will being next to a TV station tower affect your network? Find out in this expert response.  Continue Reading

• Differences between Internet Connection Sharing (ICS) and bridging

  Learn the difference between Internet Connection Sharing (ICS) and bridging between two NIC cards from networking fundamentals expert Chris Partsenidis.  Continue Reading

• Is time-to-live (TTL) thrown out in IPv6?

  Why is there time-to-live (TTL) in IPv4 but not in IPv6? Find out in this expert response.  Continue Reading